真理是经得起经验考验的东西。

To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.

"Imagination is the key to unlocking the world."

Your time is limited, don’t waste it living someone else’s life.

变化是不可避免的，但成长是可选的。

君子的学问，从来不会脱离实践去空谈认识，这是必然的。